:root {
  --fondo: #f7f4fb;
  --fondo-2: #ffffff;
  --texto: #1d1530;
  --suave: #6b6280;
  --apagado: #b3aac4;
  --acento: #7c3aed;
  --acento-2: #db2777;
  --error: #b42318;
  --borde: #e4ddef;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #130c24;
    --fondo-2: #1e1538;
    --texto: #f3effa;
    --suave: #a99fc0;
    --apagado: #5a4f73;
    --acento: #a78bfa;
    --acento-2: #f472b6;
    --error: #fca5a5;
    --borde: #2e2450;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.45 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  min-height: 100dvh;
}
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }

.pantalla {
  max-width: 680px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}

/* ---------- inicio ---------- */

#inicio { display: flex; flex-direction: column; align-items: center; text-align: center; }
.marca {
  margin: 24px 0 36px;
  font-size: 34px;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--acento), var(--acento-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.microfono {
  --avance: 0;
  position: relative;
  width: 180px;
  height: 180px;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--acento), var(--acento-2));
  box-shadow: 0 14px 40px color-mix(in srgb, var(--acento) 40%, transparent);
  transition: transform 0.15s;
}
.microfono:active { transform: scale(0.96); }
.microfono .icono { font-size: 72px; line-height: 1; }
.microfono .anillo { position: absolute; inset: -14px; width: calc(100% + 28px); height: calc(100% + 28px); transform: rotate(-90deg); pointer-events: none; }
.microfono .anillo circle {
  fill: none;
  stroke: var(--acento);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 352;
  stroke-dashoffset: calc(352 * (1 - var(--avance)));
  opacity: 0;
}
.microfono.grabando { animation: latido 1.2s ease-in-out infinite; }
.microfono.grabando .anillo circle { opacity: 1; }
.microfono.pensando .icono { display: inline-block; animation: girar 1.4s linear infinite; }
@keyframes latido { 50% { transform: scale(1.05); } }
@keyframes girar { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .microfono.grabando, .microfono.pensando .icono { animation: none; }
}

.estado { margin: 28px 0 8px; font-size: 19px; font-weight: 600; min-height: 1.5em; }
.estado.error { color: var(--error); }
.escuchado { margin: 0 0 8px; color: var(--suave); font-style: italic; font-size: 15px; }

.candidatos { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 8px 0; }
.candidatos p { width: 100%; margin: 0; color: var(--suave); font-size: 15px; }
.chip { border: 1px solid var(--borde); background: var(--fondo-2); border-radius: 999px; padding: 8px 14px; font-size: 15px; }

.buscar { display: flex; gap: 8px; width: 100%; margin: 28px 0 8px; }
.buscar input {
  flex: 1;
  min-width: 0;
  font: inherit;
  color: inherit;
  padding: 12px 16px;
  border: 1px solid var(--borde);
  border-radius: 14px;
  background: var(--fondo-2);
}
.buscar button { border: 0; border-radius: 14px; padding: 0 16px; background: var(--fondo-2); border: 1px solid var(--borde); }

.lista { list-style: none; padding: 0; margin: 4px 0; width: 100%; text-align: left; }
.lista li > * {
  display: flex;
  flex-direction: column;
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--borde);
  background: none;
  padding: 12px 4px;
}
.lista span { color: var(--suave); font-size: 15px; }
.ultimas { width: 100%; text-align: left; margin-top: 16px; }
.ultimas h2 { font-size: 15px; color: var(--suave); text-transform: uppercase; letter-spacing: 0.06em; margin: 8px 4px; }

/* ---------- letra ---------- */

#letra { padding-bottom: 110px; }
.cabecera {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  background: var(--fondo);
}
.tapa { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; flex: none; }
.datos { min-width: 0; }
.datos h2 { margin: 0; font-size: 19px; line-height: 1.25; overflow-wrap: anywhere; }
.datos p { margin: 2px 0 0; color: var(--suave); font-size: 15px; overflow-wrap: anywhere; }
.aviso { background: var(--fondo-2); border: 1px solid var(--borde); border-radius: 12px; padding: 10px 14px; color: var(--suave); font-size: 15px; }

.lineas { list-style: none; padding: 30vh 0 45vh; margin: 0; }
.lineas li {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  padding: 8px 4px;
  color: var(--apagado);
  transition: color 0.25s, transform 0.25s;
  transform-origin: left center;
  cursor: pointer;
  overflow-wrap: anywhere;
}
.lineas li.cantada { color: color-mix(in srgb, var(--texto) 45%, var(--fondo)); }
.lineas li.actual { color: var(--texto); transform: scale(1.04); }
.lineas li.pausa { font-size: 20px; }

.controles {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px max(12px, env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--fondo) 88%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--borde);
}
.boton, .boton-icono {
  border: 1px solid var(--borde);
  background: var(--fondo-2);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 16px;
  white-space: nowrap;
}
.boton-icono { min-width: 48px; padding: 10px 12px; }
.cabecera .boton-icono { font-size: 20px; }
.boton[aria-pressed='true'] { background: var(--acento); color: #fff; border-color: var(--acento); }
.boton:disabled { opacity: 0.6; }

@media (max-width: 380px) {
  .lineas li { font-size: 23px; }
  .boton, .boton-icono { padding: 10px 11px; font-size: 15px; }
}